The Calterm 41770 is a heavy-duty toggle switch rated for 35 amps at 12 volts DC, designed for reliable switching in automotive, marine, and industrial applications. Whether you’re starting engines, controlling lighting systems, or operating fans and pumps, this switch delivers dependable performance in demanding environments. Its robust construction and durable chrome housing ensure longevity and withstand the rigors of frequent use, making it an essential component for any electrical system requiring secure, long-lasting control.
This versatile switch supports both momentary contact (momentary on/off) and maintained contact (sustained on/off) operations, allowing you to adapt it to a wide range of control needs. The screw terminal design ensures secure wire connections that hold firmly over time, preventing loose connections that could compromise safety or performance. Whether you’re upgrading a vehicle’s electrical system, maintaining marine navigation or bilge pump controls, or managing industrial machinery, the Calterm 41770 delivers the reliability and durability professionals and enthusiasts depend on.
Features and Benefits
- 35 Amp, 12V DC Rating: Designed for use with a wide range of electrical systems in automotive, marine, and industrial settings.
- Momentary and Maintained Contact: Supports both momentary (spring-return) and sustained (maintained) switching operations for flexible control options.
- Screw Terminal Connections: Securely holds wires in place for long-term reliability and prevents loose connections.
- Chrome Housing: Provides a professional appearance and ensures durability in any installation.
- Heavy-Duty Construction: Robust design ensures reliable performance even in demanding conditions and frequent-use applications.
Specifications
- Brand: Calterm
- Model: 41770
- Amperage Rating: 35 Amps
- Voltage Rating: 12 VDC
- Terminal Type: Screw Terminal
- Housing Material: Chrome
- Contact Type: Momentary and Maintained
- Applications: Automotive, Marine, Industrial








